[Kde-bindings] KIO missing bits

[David Palacio]

In Korundum one cannot work with file/dir listings as KIO::UDSEntryList& is not 
handled.

Attached test case fails with the following backtrace.

/home/kde/ruby/lib/KDE/korundum4.rb:36:in `qt_metacall': Cannot handle 
'KIO::UDSEntryList&' as slot argument (ArgumentError)
        from /home/kde/ruby/lib/KDE/korundum4.rb:36:in `method_missing'
        from /home/kde/ruby/lib/KDE/korundum4.rb:36:in `exec'
        from ../kio.rb:30
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